Archived posting to the Leica Users Group, 1999/11/29

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Subject: RE: [Leica] vintage Leica UV filters
From: "Kotsinadelis, Peter (Peter)" <>
Date: Mon, 29 Nov 1999 09:37:02 -0800

Kenko is owned by the Hoya Corporation, the largest producer of optical
glass in the world. They make Kenko and Hoya filters and also produce them
under many other names as well.  The third sibling is Tokina Optical Company
which also produces lenses made from Hoya glass as do Pentax, Leica (some
lenses), et al.

Peter K

- -----Original Message-----
From: Marc James Small []
Sent: Thursday, November 25, 1999 12:12 PM
Subject: Re: [Leica] vintage Leica UV filters

At 01:57 PM 11/25/1999 -0500, Lee, Jonathan wrote:
>My uncoated Summar came with a UV filter labelled Kenko Summar UV.  The
>colour and wear seem to match the chrome from the Summar.  Is it original
>equipment and is Kenko associated with Leica?

Good God, NO!  There is NO connexion at all between Leica and Kenko!  Kenko
is a middlin' quality Oriental firm of some sort.  In the last fifteen or
twenty years, they have been best noted for producing a full range of

This filter, however,  might be good:  I believe Kenko generally used Hoya
glass in its filters.

Marc  FAX:  +540/343-7315
Cha robh bas fir gun ghras fir!